Home / 19,491.18-29,236.34-7,801.26

Finding the Fourth Proportional to 19,491.18, 29,236.34 and 7,801.26

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Solution

The fourth proportional to 19,491.18, 29,236.34 and 7,801.26 is: 11,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.18 : 29,236.34 = 7,801.26 : x
  2. Step 2: Convert to fraction form
    19,491.18/29,236.34 = 7,801.26/x
  3. Step 3: Cross multiply
    19,491.18x = 29,236.34 × 7,801.26
  4. Step 4: Simplify right side
    19,491.18x = 228,080,289.79
  5. Step 5: Solve for x
    x = 228,080,289.79/19,491.18
  6. Step 6: Final answer
    x = 11,701.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.